NAME

standard Ratfor symbol definitions


DESCRIPTION

The following macro definitions are generally made available to the
user automatically whenever ratfor is called.
Case is significant:



# ASCII control character definitions:

NUL        ENQ        LF         SI         DC4        EM         RS
SOH        ACK        VT         DLE        NAK        SUB        US
STX        BEL        FF         DC1        SYN        ESC        SP
ETX        BS         CR         DC2        ETB        FS         DEL
EOT        HT         SO         DC3        CAN        GS


# Synonyms for important non-printing ASCII characters:

BACKSPACE  BELL       BLANK      NEWLINE    RUBOUT     TAB


# Printable ASCII characters:

ACCENT     BIGH       BIGW       DIG7       LETE       LETT       RBRACE
AMPER      BIGI       BIGX       DIG8       LETF       LETU       RBRACK
AMPERSAND  BIGJ       BIGY       DIG9       LETG       LETV       RPAREN
AND        BIGK       BIGZ       DOLLAR     LETH       LETW       SEMICOL
ATSIGN     BIGL       CARET      DQUOTE     LETI       LETX       SHARP
BACKSLASH  BIGM       COLON      EQUALS     LETJ       LETY       SLASH
BANG       BIGN       COMMA      ESCAPE     LETK       LETZ       SQUOTE
BAR        BIGO       DASH       GREATER    LETL       LPAREN     STAR
BIGA       BIGP       DIG0       LBRACE     LETM       MINUS      TAB
BIGB       BIGQ       DIG1       LBRACK     LETN       NOT        TILDE
BIGC       BIGR       DIG2       LESS       LETO       OR         UNDERLINE
BIGD       BIGS       DIG3       LETA       LETP       PERCENT
BIGE       BIGT       DIG4       LETB       LETQ       PERIOD
BIGF       BIGU       DIG5       LETC       LETR       PLUS
BIGG       BIGV       DIG6       LETD       LETS       QMARK


# Ratfor language extensions:

andif      CHARACTER  filedes    IS_LETTER  long_real  min        POINTER
ARB        DS_DECL    FILEDES    IS_LOWER   max        MIN
character  elif       IS_DIGIT   IS_UPPER   MAX        pointer




# Input/output modes:

APPEND     READ       READWRITE  WRITE


# Standard input/output ports:

ERROUT          # standard error file
STDERR
STDIN           # standard input file
STDOUT          # standard output file
TERMINAL_IN     # name of terminal (input channel)
TERMINAL_OUT    # name of terminal (output channel)


# Manifest constants included for readability and modifiability:

ALPHA           # flag for alphabetic character
ASCII           # flag for ascii character file
BEGINNING_OF_FILE  # flag to seek for positioning at
                   # the beginning of a file
BINARY          # flag for indicating binary file
DIGIT           # flag for number
END_OF_FILE     # flag to seek for positioning at end of file
EOF             # flag for end-of-file
EOS             # used to mark end of character strings
ERR             # error return from functions
HUGE            # some arbitrarily large number
LAMBDA          # end of list marker
LETTER          # flag for ascii letter
LOCAL           # flag for local-type character file
NO
NOERR           # flag for successful completion
OK              # success flag
YES



# Size limiting definitions for important objects:

FILENAMESIZE    # max characters in file name
MAXARG          # max size of command line argument
MAXCARD         # "card" size
MAXCHARS        # max nbr of chars when converting
                # from integers to characters
MAXLINE         # normal size of line buffers
MAXNAME         # max size of file name
MAXOFILES       # max nbr opened files allowed at a time
MAXPAT          # max size of encoded patterns
                # (used in string matching)
NCHARS          # number of special characters


# Machine-dependent parameters:

BITS_PER_CHAR
BITS_PER_WORD
CHARS_PER_WORD
MAX_INTEGER
MIN_INTEGER
MAX_REAL_EXP
MIN_REAL_EXP
REAL_PRECISION


 DRIVER         #main driving routine (may not be necessary)
 DRETURN        #return from main driving routine


# Definitions for 'spawn' primitive (if implemented):

WAIT            # wait for subprocess to complete
NOWAIT          # control returns as soon as
                # subprocess starts
BACKGR          # spawning a background process